of course, you're hearing the barbs from the obama campaign, in fact, from president obama himself saying that mitt romney doesn't represent change. >> and we were looking at the ads in this final week. it's interesting because it's not just television. but the radio ad wars as well. >> that's right. what is most interesting about what's going on, you mentioned the $143 million figure being spent on the final week of the presidential contest is that team romney, and that's the romney campaign and all the republican-leaning super groups, they're almost outspending team obama by nearly a 2-1 ratio. so we're actually going to get a sense to see if the super pacs really are able to move the needle in this presidential contest or whether there's already so much ad saturation out there that all these ads that are occurring in the final week of the campaign don't matter all that much, the people who have seen almost every tv ad that you can imagine in ohio, virginia and other battlegrounds. >> all right. mark murray, great pleasure having you on, two times, very nice, always a pleasure. >>> let